commit e19728181ca7187fa0ecb7076ce681311cf785e7
author Juuso Oikarinen <juuso.oikarinen@nokia.com> Fri Apr 09 11:07:29 2010 +0300
committer John W. Linville <linville@tuxdriver.com> Fri Apr 09 13:43:10 2010 -0400
tree f766521cd0a678317fbedf20edccb6ed981ddaf9
parent aecb0565e3e331d4dd23b4d35180519532015f22

wl1271: Go to ELP in idle

Allow the wl1271 go to ELP mode also in idle. This will reduce current
consumption remarkably in idle mode (~12mA -> ~0.2mA)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/wl12xx/wl1271_ps.c

diff --git a/drivers/net/wireless/wl12xx/wl1271_ps.c b/drivers/net/wireless/wl12xx/wl1271_ps.c
index 5a04482..a5e60e0 100644
--- a/drivers/net/wireless/wl12xx/wl1271_ps.c
+++ b/drivers/net/wireless/wl12xx/wl1271_ps.c
@@ -40,7 +40,8 @@
 	mutex_lock(&wl->mutex);
 
 	if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) ||
-	    !test_bit(WL1271_FLAG_PSM, &wl->flags))
+	    (!test_bit(WL1271_FLAG_PSM, &wl->flags) &&
+	     !test_bit(WL1271_FLAG_IDLE, &wl->flags)))
 		goto out;
 
 	wl1271_debug(DEBUG_PSM, "chip to elp");
@@ -56,7 +57,8 @@
 /* Routines to toggle sleep mode while in ELP */
 void wl1271_ps_elp_sleep(struct wl1271 *wl)
 {
-	if (test_bit(WL1271_FLAG_PSM, &wl->flags)) {
+	if (test_bit(WL1271_FLAG_PSM, &wl->flags) ||
+	    test_bit(WL1271_FLAG_IDLE, &wl->flags)) {
 		cancel_delayed_work(&wl->elp_work);
 		ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
 					msecs_to_jiffies(ELP_ENTRY_DELAY));